5(8+7x)=390

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Solution for 5(8+7x)=390 equation: 


Simplifying
5(8 + 7x) = 390
(8 * 5 + 7x * 5) = 390
(40 + 35x) = 390

Solving
40 + 35x = 390

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-40' to each side of the equation.
40 + -40 + 35x = 390 + -40

Combine like terms: 40 + -40 = 0
0 + 35x = 390 + -40
35x = 390 + -40

Combine like terms: 390 + -40 = 350
35x = 350

Divide each side by '35'.
x = 10

Simplifying
x = 10

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